package com.itheima.service;

import com.itheima.vo.BusinessReportDataVO;
import com.itheima.vo.MemberReportVO;
import com.itheima.vo.SetmealReportVO;

import javax.servlet.http.HttpServletResponse;

public interface ReportService {

    /**
     * 获取会员数量统计数据
     * @return
     */
    MemberReportVO getMemberReport();


    /**
     * 获取套餐占比统计数据
     * @return
     */
    SetmealReportVO getSetmealReport();


    /**
     * 获取运营统计数据
     * @return
     */
    BusinessReportDataVO getBusinessReportData();

    /**
     * 导出运营数据到Excel并提供客户端下载
     */
    void exportBusinessReport(HttpServletResponse response);
}
